<template>
  <el-row class="login-container">
    <el-col :lg="16" :md="12" class="left">
      <div>
        <div>earendel-x</div>
        <div>企业中台</div>
      </div>
    </el-col>
    <el-col :lg="8" :md="12" class="right">
      <h2 class="title">欢迎回来</h2>
      <div>
        <span class="line"></span>
        <span>账号密码登录</span>
        <span class="line"></span>
      </div>
      <el-form ref="formRef" :rules="rules" :model="form" class="w-[250px]">
        <el-form-item prop="username">
          <el-input v-model="form.username" placeholder="请输入用户名">
            <template #prefix>
              <el-icon>
                <user/>
              </el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input type="password" v-model="form.password" placeholder="请输入密码" show-password>
            <template #prefix>
              <el-icon>
                <lock/>
              </el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item>
          <el-button round color="#626aef" class="w-[250px]" type="primary" @click="onSubmit" :loading="loading">登 录
          </el-button>
        </el-form-item>
      </el-form>

    </el-col>
  </el-row>
</template>

<script setup>
import {ref, reactive, onMounted, onBeforeUnmount} from 'vue'
import { useRouter } from 'vue-router'
import { toast } from '~/composables/util'
import { useStore } from 'vuex'
const store = useStore()
const router = useRouter()


const form = reactive({
  username: "",
  password: ""
})

const rules = {
  username: [
    {
      required: true,
      message: '用户名不能为空',
      trigger: 'blur'
    },
  ],
  password: [
    {
      required: true,
      message: '密码不能为空',
      trigger: 'blur'
    },
  ]
}

const formRef = ref(null)
const loading = ref(false)
const onSubmit = () => {
  formRef.value.validate((valid)=>{
    if(!valid){
      return false
    }
    loading.value = true
    //调用登录方法
    store.dispatch("login",form).then(res=>{
      toast("登录成功")
      router.push("/")
    }).finally(()=>{
      loading.value = false
    })
  })
}

// 监听回车事件
function onKeyUp(e){
  if(e.key == "Enter") onSubmit()
}

// 添加键盘监听
onMounted(()=>{
  document.addEventListener("keyup",onKeyUp)
})
// 移除键盘监听
onBeforeUnmount(()=>{
  document.removeEventListener("keyup",onKeyUp)
})

</script>

<style scoped>
.login-container {
  @apply min-h-screen bg-indigo-500;
}

.login-container .left, .login-container .right {
  @apply flex items-center justify-center;
}

.login-container .right {
  @apply bg-light-50 flex-col;
}

.left > div > div:first-child {
  @apply font-bold text-5xl text-light-50 mb-4;
}

.left > div > div:last-child {
  @apply text-gray-200 text-sm;
}

.right .title {
  @apply font-bold text-3xl text-gray-800;
}

.right > div {
  @apply flex items-center justify-center my-5 text-gray-300 space-x-2;
}

.right .line {
  @apply h-[1px] w-16 bg-gray-200;
}
</style>